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Astron. Astrophys. 329, 965-970 (1998) AcknowledgementsThe MAMA, MAchine Automatique à Mesurer pour l'Astronomie, is developed and operated by CNRS/INSU (Institut National des Sciences de l'Univers). We are grateful to Martine Mouchet for participating in the observations at CFHT, and D. A. Smith for discussions about the RXTE-ASM data. This research has made use of data obtained through the High Energy Astrophysics Science Archive Research Center On-line Service, provided by the NASA-Goddard Space Flight Center. ![]() ![]() ![]() ![]() © European Southern Observatory (ESO) 1998 Online publication: December 16, 1997 ![]() |